增加排序规则：按公益时长

src/views/modules/user/volunteer-points-personal-static.vue

@@ -44,7 +44,7 @@
       <el-table-column prop="tagName" label="所在小组" header-align="center" align="center"></el-table-column>
       <el-table-column prop="volunteerSignature" label="格言" header-align="center" align="center"></el-table-column>
       <el-table-column prop="address" label="居住地址" header-align="center" align="center"></el-table-column>
-      <el-table-column prop="kindnessTime" label="公益时长" header-align="center" align="center"></el-table-column>
+      <el-table-column prop="kindnessTime" label="公益时长(小时)" header-align="center" align="center"></el-table-column>
       <el-table-column prop="volunteerPoints" label="公益积分" header-align="center" align="center"></el-table-column>
       <el-table-column prop="participationNum" label="公益次数" header-align="center" align="center"></el-table-column>
       <el-table-column :label="$t('handle')" header-align="center" align="center" width="150">
@@ -96,6 +96,10 @@ export default {
         {
           sortType: '2',
           label: '按公益次数'
+        },
+        {
+          sortType: '3',
+          label: '按公益时长'
         }
       ]
     }